button fern References button fern plant Ask Anything Homework Help Also known as: Pellaea rotundifolia Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: cliff brakeSeveral species, including button fern (Pellaea rotundifolia) and sickle fern (P. falcata), are grown as indoor ornamentals. Read MoreSeveral species, including button fern (Pellaea rotundifolia) and sickle fern (P. falcata), are grown as indoor ornamentals. Read More